Výkonové transformátory - Část 22-6: Příslušenství výkonových transformátorů a tlumivek - Elektrické ventilátory pro transformátory (Norma k přímému použití jako ČSN).
NORMA vydána dne 1.9.2021
Designation standards: ČSN EN IEC 60076-22-6
Classification mark: 351001
Catalog number: 512559
Publication date standards: 1.9.2021
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN
This part of IEC 60076 covers the electric fans used in the cooling circuits of power transformers and reactors. It applies to electric fans mounted on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and without conservator for indoor or outdoor installation. It outlines the service conditions and the mechanical and electrical requirements that are common to all the equipment. The electric fans concerned by this document are of the axially operating type and are for use on liquid to air coolers and for blowing out radiators. This document also outlines the operation requirements specific to each equipment as well as the preferred dimensions relevant for interchangeability and uniform fan assembly and the type and routine tests to be performed